Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities; section 4: Stationary use at non-weatherprotected locations; Amendment A1 (IEC 60721-3-4:1995/A1:1996); German version EN 60721-3-4:1995/A1:1997— 6 стр.
Road traffic noise reducing devices - Non-acoustic performance - Part 2: General safety and environmental requirements; German version EN 1794-2:2011— 28 стр.
Road traffic noise reducing devices - Non-acoustic performance - Part 1: Mechanical performance and stability requirements; German version EN 1794-1:2011— 29 стр.
Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 6: Intrinsic characteristics - In-situ values of airborne sound insulation under direct sound field conditions; German version EN 1793-6:2012— 46 стр.
Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 2: Intrinsic characteristics of airborne sound insulation under diffuse sound field conditions; German version EN 1793-2:2012— 15 стр.
Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics of sound absorption under diffuse sound field conditions; German and English version prEN 1793-1:2015
Road traffic noise reducing devices - Procedures for assessing long term performance - Part 2: Non-acoustical characteristics; German version prEN 14389-2:2013
Road traffic noise reducing devices - Procedures for assessing long term performance - Part 2: Non-acoustic characteristics; German version EN 14389-2:2004— 16 стр.
Road traffic noise reducing devices - Procedures for assessing long term performance - Part 2: Non-acoustic characteristics; German version EN 14389-2:2004— 16 стр.
Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Procedures for assessing long term performance - Part 1: Acoustic characteristics— 18 стр.
